Carl Dernehl, the companys former toxicologist, tried to focus on cigarette smoking as the primary cause of cancer, not asbestos exposure in this statement: It has been demonstrated that asbestos workers in the United States apparently do not develop cancer of the lung unless they also smoke cigarettes
Smoking and Health: Report of the Advisory Committee to the Surgeon General of the Public Health Service (PDF) (Report)
A lower-rated filter will work if you're mainly concerned about large particles like dust and lint
Usb Rechargeable And Reusable: Package comes with usb charging cable, it suitable for universal usb 2.0 charging port.it can be charged by notebook,car,socket,power bank and etc
Exposure to e-cigarette aerosol can lead to an increase of bacteria in the mouth, which is associated with gum disease, cavities, and tooth decay